I have been having problems with my boat not reaching high RPM. I have a 1995 75 HP mercury and I found the middle spark plug has a weaker spark than the top and bottom spark and it is dry as a bone too. The test was done with a spark plug tester. Can someone please tell me where to go from here??
Hi guys, I'm new to the site. I have a 1995 75 hp mercury oil injected motor. It ran perfect for about 9 months after I bought it. The guy said he cleaned the carbs before he sold it to me. It started bogging down and I noticed the oil was low so I put some in it and it ran fine for about a...